The Protech 40670002 G-Fence 3000 Control Unit delivers fully autonomous, solar-powered perimeter protection - no electrical infrastructure required. Featuring an integrated solar panel and battery pack, this control unit provides up to 656 feet (200 meters) of fence-mounted detection coverage using advanced accelerometer-based vibration sensing technology. Its sophisticated intrusion detection algorithm intelligently filters environmental noise from wind, rain, and passing vehicles to minimize nuisance alarms while reliably detecting cuts, climbs, and lifts. Connect up to 16 control units per MAXIBUS comm port to secure up to 2 miles (3,200 meters) of perimeter per system loop, with pinpoint intrusion localization to within 10 feet (3 meters). Equipped with two auxiliary inputs for external alarm integration and rated IP55 for demanding outdoor environments, this versatile control unit is the ideal choice for utilities, refineries, airports, corrections facilities, and other high-security perimeters.